Izinto zokwakha

Uhlobo 304 insimbi engagqwali ethandwa kakhulu futhi inketho yemvelo ukumelana nokugqwala. Imelana nokugqwala ezindaweni eziningi ezihlukene, kodwa ihlaselwa ikakhulukazi ama-chloride.

Ishubhu ye-nickel ye-alloy 601 inokusebenza okuhle kakhulu kwezinga lokushisa eliphezulu, ukumelana ne-oxidation, i-carburization kanye ne-atmosphere equkethe isulfure.

Izakhiwo ze-Inconel 601 ziyenza ibe yimpahla enohlu olubanzi lokusetshenziswa ekucutshungulweni okushisayo, ukucubungula amakhemikhali, ukulawulwa kokungcoliswa komhlaba, i-aerospace kanye nokukhiqiza amandla. Kodwa-ke, i-Alloy 601 ayinconywa ukuthi isetshenziswe ezindaweni ezinciphisa kakhulu, ezinesulfure.

I-AL-6XN ikhabhoni ephansi, i-nitrogen equkethe i-super austenitic stainless steel. Ingxubevange yakhelwe ukuba ibe into ekwazi ukumelana namanzi olwandle futhi itholakale imelana nezinhlobonhlobo zezindawo ezigqwalile. Ngenxa yokumelana nokugqwala kwe-alloy namandla aphezulu, i-AL-6XN iyisinqumo esingcono kune-duplex stainless alloys kanye nama-alloys asekelwe ku-nickel angabizi kakhulu.

I-Grade 304 insimbi engagqwali ngokuvamile ibhekwa njengensimbi engagqwali ye-austenitic evamile. Iqukethe okuqukethwe okuphezulu kwe-nickel, ngokuvamile phakathi kwamaphesenti angu-8 nangu-10.5 esisindo, kanye nenani elikhulu le-chromium cishe kumaphesenti angu-18 kuya kwangu-20 esisindo. Ezinye izakhi ezinkulu ze-alloying zihlanganisa i-manganese, i-silicon ne-carbon. Okunye ukwakheka kwamakhemikhali ikakhulukazi insimbi.

I-HASTELLOY X iyingxubevange esekwe nickel enamandla asezingeni eliphezulu okushisa nokumelana ne-oxidation. Wonke amafomu omkhiqizo mahle kakhulu ekwakhiweni nasekushiseleni. Yize i-HASTELLOY X yaziwa ngokuyinhloko ngokumelana nokushisa nokufakwa kwe-oxidation, futhi inokumelana okuhle nokuqhekeka kwe-chloride stress corrosion kanye ne-carburization enhle, kanye nokumelana okuhle kakhulu nokunciphisa noma kwe-carburizing atmosphere. I-alloy X ingenye yama-superalloy asuselwa ku-nickel asetshenziswa kakhulu ezingxenyeni zenjini ye-gas turbine.

I-One Sourse ye-Stainless, i-Duplex, i-Special Alloy, i-Inconel, i-Monel, i-Hastelloy, i-Nitronic & I-Carbon Steel, njll.Ngolayini wethu wokukhiqiza wamapayipi nokufakwa, ama-flange, ama-forging, njll. kanye nobudlelwano obuhle nabakhiqizi abahlukene emkhakheni wensimbi, singathola cishe noma yiluphi uhlobo lwemikhiqizo yensimbi oyidingayo ukuze wonge isikhathi/ukuthenga i-Pipeline, i-Equitop, i-Zzhou Ltd.

I-Incoloy yiqembu lama-superalloys anokumelana okuhle kagesi nokubekezelelana. I-Incoloy 800 iyingxubevange yensimbi, i-nickel ne-chromium. Lawa ma-alloys amelana kakhulu nokugqwala kanye ne-oxidation. Awakhubazeki kalula noma aphuke ngaphansi kwengcindezi nokushisa okukhulu. I-alloy inamandla aphakathi futhi i-Incoloy 800 inezinto ezinhle kakhulu zemishini.

Inconel WERKSTOFF NR. I-2.4851 Ipayipi inezinto ezikhangayo ezifana namandla ayo okusebenza aphezulu kanye nekhono le-ASTM B167 Inconel 601 Ipayipi Elingenamthungo ukuthi yakheke kalula, yenziwe ngomshini futhi ishiselwe.

I-ASTM A106 iyafana ne-ASME SA-106 futhi iwumgomo ojwayelekile wepayipi lensimbi elingenamthungo lesevisi yezinga lokushisa eliphezulu. Imboza osayizi bamapayipi ukusuka ku-NPS 1\/8 [DN 6] ukuya ku-NPS 48 [DN 1200] nogqinsi lwezindonga ezinikezwe ku-ASME B36.10M.

I-Monel 400 flange iyatholakala futhi kumazinga okushisa aphezulu ezindaweni zokunciphisa. Ngenkathi ama-flange e-Monel 400 evame ukusetshenziswa emazingeni okushisa aphakeme, agcina izakhiwo zawo ezisebenza emazingeni okushisa angaphansi kweqanda. Ukuqina okukhuphukile emazingeni okushisa aqandayo kuboniswe ukuthi kulimaza kancane kuphela i-ductility noma ukumelana nomthelela kwama-flange e-Monel 400.

Ukuqinisa nokuqinisa insimbi kanye nengxube yensimbi esakhiwe I-Carbon Steel Slip On Flanges idluliswa ngenqubo eyaziwa ngokuthi yi-quenching.

Izimo ezikahle zepayipi le-Alloy 601 elingenamthungo zincike ohlotsheni lohlelo namazinga okushisa esevisi ahilelekile. Ngokuvamile, ipayipi le-Alloy 601 elisesimweni sokwelashwa kwesixazululo lisetshenziswa ezinhlelweni ezinomkhawulo wokuqhekeka, lapho amazinga okushisa angaba phezulu cishe ngo-1000¡ãF futhi angakhuphuka.

Igama lokuhweba le-Hastelloy B2 tube yaziwa nangokuthi i-UNS N10665. I-B2 Hastelloy Welded Pipe iyisixazululo esiqinile se-nickel molybdenum based alloy. Okunye okugqamile kwepayipi le-nickel alloy b2-lined hex ukumelana nokugqwala.

I-Incoloy Alloy 800 isetshenziswa kabanzi kumishini okufanele ibe namandla aphezulu futhi imelane ne-oxidation, i-carburization neminye imiphumela eyingozi yokuchayeka kwezinga lokushisa eliphezulu. Ngamasevisi adinga izindawo ezikhasa kahle neziqhekeka, sebenzisa i-Incoloy 800H noma i-800 HT. Okuqukethwe okuphezulu kwe-nickel ne-chromium ku-alloy nakho kunikeza ukumelana nokugqwala okuhle.

2.4851 Amapayipi aziwa ukuthi anezinga eliphezulu lokuzinza kwe-metallurgical. Okuqukethwe kwe-nickel eyisisekelo, kuhlanganiswe nokuqukethwe kwe-chromium eningi engezwe epayipini elingenamthungo le-Inconel 601, akumelani nje kuphela nezindawo eziningi eziqukethe imidiya ebolayo, kodwa futhi nezimo lokushisa eliphezulu.

I-Incoloy 800H ne-800HT ivamise ukusetshenziswa ezingxenyeni ezingaphezulu kuka-1100¡ãF lapho kudingeka khona ukumelana nokuqhekeka nokuqhekeka. Ibhalansi yamakhemikhali ivumela ama-alloys ensimbi ye-nickel ukuthi abonise ukumelana okuhle kakhulu ne-carburizing, oxidizing kanye ne-nitriding atmospheres. I-Incoloy 800HT ngeke ibe brittle ngisho nangemva kokusetshenziswa isikhathi eside ebangeni le-1200-1600¡ã F lapho izinsimbi eziningi ezingenasici ziba brittle. I-800HT ibonisa izimfanelo ezinhle kakhulu zokwakha ezibandayo ezivame ukuhlotshaniswa ne-Nichrome.

I-UNS N10665 noma i-W.Nr. 2.4617, i-Hastelloy B2 (eyaziwa nangokuthi "i-Alloy B2"), iyisixazululo esiqinile esiqiniswe i-Ni Mori ngezithako eziphansi zekhabhoni, i-silicon nensimbi. Ingasetshenziselwa ukunciphisa imvelo yamakhemikhali kanye nemboni yokucubungula amakhemikhali. Kodwa-ke, i-Hastelloy B2 akufanele isetshenziswe emazingeni okushisa ukusuka ku-1000¡ãF kuya ku-1600¡ãF futhi akufanele isetshenziswe kumidiya ye-oxidizing.

I-AS1210 Prequalified Incoloy 800 ingasetshenziswa ku-800¡ãC. Amakhodi we-ASME avumela i-Incoloy 800 kuye ku-815¡ãC, kanye ne-Incoloy 800H ne-800HT kuye ku-982¡ãC.

Sinikeza izinti ze-Incoloy 825 ezisezingeni eliphezulu ezinhlobonhlobo zamabanga, amageji nosayizi. Izinduku zethu ze-Incoloy 825 zezinga eliphezulu zinikeza izici ezivelele njengokwakheka okuqinile, ukuphumelela kwezindleko, ukuqina kanye nesiphetho esihle kakhulu.

Ibha eyindilinga ye-Incoloy 825 inokumelana okuhle kakhulu nezimo ezahlukahlukene zemvelo nokugqwala okufana nokuqhekeka kokugqwala kwengcindezi, izindawo ezinciphisayo, indawo ene-oxidizing, i-pitting, i-crevice kanye nokugqwala kwe-intergranular. Lezi zinhlobo eziyindilinga zinezakhiwo ezinhle kakhulu zemishini ngaphezu kwebanga lokushisa elibanzi.

Ipayipi elishiselwe le-UNS N06601 lisetshenziswa ezimbonini ezingenakubalwa, izimboni ezibalulekile ezihlanganisa i-aerospace, ukwelashwa kokushisa, ukucutshungulwa kwamakhemikhali, ukulawulwa kokungcoliswa kwemvelo kanye nokukhiqizwa kwamandla.

Ipayipi le-nickel alloy 825 elingenamthungo limelana ikakhulukazi ne-sulfuric ne-phosphoric acid. Le ngxubevange yensimbi ye-nickel eyaziwa ngokuthi i-WNR 2.4858 isetshenziselwa ukucubungula amakhemikhali, izinto zokulawula ukunukubezeka, amapayipi omthombo kawoyela negesi, ukucutshungulwa kabusha kukaphethiloli wenuzi, ukukhiqizwa kwe-asidi nezinto zokukha amanzi.

Okuqukethwe kwe-chromium ne-nickel yale alloy kunikeza ukumelana okuhle kakhulu kwe-oxidation ekugxilweni okuphansi kwe-oxidizing nokunciphisa isulfure, ukumelana kahle ne-carburization kanye ne-sulfidation. I-alloy futhi inokumelana okunengqondo kwe-nitriding ku-ammonia ephukile, kodwa hhayi kakhulu njenge-Inconel 600.

Ukufakwa Kwepayipi Elishiselwa Izinqe I-Stub End Hastelloy B2 Lap Joint Stub End

I-ASTM B163 B407 ASME SB163 SB407 N08800 I-Incoloy 800 Ipayipi Elingenamthungo ifaneleka ngokukhethekile okokusebenza kwezinga lokushisa eliphezulu embonini ye-petrochemical ngoba ingxubevange ayenzi isigaba se-sigma embrittled ngemva kokuchayeka isikhathi eside ku-1200¡ãF (649¡ãC).

Konke ukwakhiwa kwensimbi engagqwali kungenziwa kuphela kusetshenziswa amathuluzi aklanyelwe izinto zensimbi engagqwali. Amathuluzi nezindawo zokusebenza kufanele zihlanzwe kahle ngaphambi kokusetshenziswa. Lezi zinyathelo zokuphepha ziyadingeka ukuze kugwenywe ukungcoliswa okuphambanayo kwensimbi engagqwali ngezinsimbi ezigqwalile kalula ezingase zishintshe umbala ongaphezulu wemikhiqizo ecutshunguliwe.

I-ASTM B705 Alloy 825 Welded Pipe Waste Stream kanye ne-Nuclear Fuel Reprocessing. Ngokuvamile, izitshalo zamandla enuzi kanye nezitshalo zokucubungula imisebe zikhulula amandla aphezulu ashisayo.

Ibha eyisicaba ye-alloy 825 (UNS N08825) inezinto ezinhle zomshini ukusuka emazingeni okushisa aphansi kuya kokuphakathi aphezulu. Kodwa-ke, ukuchayeka emazingeni okushisa angaphezu kuka-1000 degrees Fahrenheit kungabangela izinguquko zesakhiwo esincane ezinciphisa kakhulu i-ductility namandla okuthonya.

Kunezinhlobo eziningi ezahlukene zensimbi engagqwali engu-316. Ezinye izinhlobo ezijwayelekile yizinhlobonhlobo ze-L, F, N, kanye no-H. Ngayinye ihluke kancane futhi ngayinye inenhloso ehlukile. “L” kusho insimbi engu-316L inekhabhoni encane kune-316.